High contrast between light and dark areas of the computer screen,
horizontal work surface, and surrounding areas.

Possible Solution:

For computer work, well-distributed diffuse light is best. The
advantages of diffuse lighting are two-fold: There tend to be fewer hot spots,
or glare surfaces, in the visual field, and the contrasts created by the shape
of objects tend to be softer.

Use light, matte colors and finishes on walls and ceilings in
order to better reflect indirect lighting and reduce dark shadows and contrast.

Sources:

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REFERENCES:

Medically reviewed by Robert Bargar, MD; Board Certification in Public Health & General Preventive Medicine August 1, 2017

Portions of the above information has been provided by the Occupational Safety
& Health Administration (http://www.osha.gov/)